SDO Viewer vs Xcoding Era
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SDO Viewer
Access and view the latest images from the Solar Dynamics Observatory. Receive push notifications when new images become available, keeping you updated on solar activity.
- Download SDO images
- Display latest solar images
- Push notifications for new images
- Courtesy of NASA/SDO science teams
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SDO Viewer is a simple application for downloading and displaying the latest images taken by the Solar Dynamics Observatory (SDO). It includes push notifications so you can be notified by a badge on the application when new images are available. SDO Viewer, by the creator of SoHO Viewer. Courtesy of NASA/SDO and the AIA, EVE, and HMI science teams.
Xcoding Era
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Xcoding-Era is an innovative educational platform offering structured learning in Mathematics, English, Physics, and Arabic. Our platform provides high-quality, engaging lessons designed for students at all levels. With a well-organized curriculum and expert instructors, Xcoding-Era simplifies complex topics, making learning more accessible. Students can access professional courses anytime, anywhere, enhancing their knowledge at their own pace. Whether strengthening fundamentals or advancing skills, Xcoding-Era provides a seamless and enriching educational experience
Screenshots
Verdict
SDO Viewer and Xcoding Era are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
SDO Viewer ships an update every 2 months, Xcoding Era every 6 weeks. The most recent releases landed on June 1, 2026 and September 10, 2026 respectively.
| Parameter | SDO Viewer | Xcoding Era |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (5 ratings) — better | — |
| Positive reviews | 60.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 2 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 6 MB | 144 MB |
| Age rating | 4+ | 4+ |
| Developer | Jerome Diaz | Fi Khedmtak |
In-app purchases
SDO Viewer
No in-app purchases
Xcoding Era
No in-app purchases
Questions
Is SDO Viewer free?
Is Xcoding Era free?
Do SDO Viewer or Xcoding Era have ads?
Which is updated more often, SDO Viewer or Xcoding Era?
Other comparisons
